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Monday, November 14, 2011

event error i8042prt

El controlador de inicialización siguiente no se cargó correctamente:
i8042prtSource
HKLM\SYSTEM\CurrentControlSet\Services
DescriptionThe i8042prt
subkey stores data for the i8042prt driver. The i8042prt driver controls
the keyboard and PS/2-compatible mouse for the Intel 8042 controller. Note
For
Windows 2000, many of the entries in the Parameters subkey are used
only when a device is installed. When the system recognizes a new
device, it copies these entries from Parameters to a device-specific
subkey in the
Enum subkey
. Thereafter, it uses only the entries in Enum. For more information, see the entries in the Parameters subkey.
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First Solution

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Most of the following keyboards can cause a system crash directly:

PS/2 keyboards connected on i8042prt ports

This feature is available in Windows 2000 and later versions of Windows operating system.

USB keyboards

...

You must ensure the following three settings before the keyboard can cause a system crash:

If you wish a crash dump file to be written, you must enable such
dump files, choose the path and file name, and select the size of the
dump file. For more information, see Enabling a Kernel-Mode Dump File.

With PS/2 keyboards, you must enable the keyboard-initiated crash in the registry. In the registry key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\i8042prt\Parameters, create a value named CrashOnCtrlScroll, and set it equal to a REG_DWORD value of 0x01.

With USB keyboards, you must enable the keyboard-initiated crash in the registry. In the registry key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\kbdhid\Parameters, create a value named CrashOnCtrlScroll, and set it equal to a REG_DWORD value of 0x01.

You must restart the system for these settings to take effect.
After this is completed, the keyboard crash can be initiated by using the following hotkey sequence: Hold down the rightmost CTRL key, and press the SCROLL LOCK key twice.
The system then calls KeBugCheck and issues bug check 0xE2 (MANUALLY_INITIATED_CRASH). Unless crash dumps have been disabled, a crash dump file is written at this point.
If a kernel debugger is attached to the crashed machine, the machine
will break into the kernel debugger after the crash dump file has been
written.
For more information on using this feature, refer to the article Generate a memory dump file by using the keyboard (KB 244139).